PartsTable TECHNICAL DATA SHEET

NSN 4820-01-073-0054Government record, cited

Valve, Check4820-01-073-0054

NSN 4820-01-073-0054 · NIIN 010730054 · Part number ST7M397-1

The Boeing Company Div Defense · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 76301

Government record, cited

NSN 4820-01-073-0054 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-073-0054. Manufacturer of record part number: ST7M397-1.

Also searched as 4820-01-073-0054 · 4820010730054 · NIIN 010730054 · 01-073-0054 · FSC 4820 Valves, Nonpowered · CAGE 76301 · ST7M397-1 · 2S2590

Nearby stock numbers ← 4820-01-072-9929 · 4820-01-073-0055 Valve, Check →

4820-01-073-0054 — Valves, Nonpowered

Features

Valve,check — FSC 4820
Face to Face Distance: 2.143 INCHES IN
1 manufacturer part number on file
Manufacturer of record: The Boeing Company Div Defense

Identification

NSN: 4820-01-073-0054
NIIN: 010730054
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: ST7M397-1
Manufacturer: The Boeing Company Div Defense

General Description

The Valve,check, cataloged under National Stock Number 4820-01-073-0054, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is The Boeing Company Div Defense. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	4820-01-073-0054
Primary Part Number	ST7M397-1
Item Name	Valve,check
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	The Boeing Company Div Defense
Status	ACTIVE
Face to Face Distance	2.143 INCHES IN

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL Q — CCL Item — Commerce Control List
Hazard	No hazard code in the DLA record (HMIC N)
Criticality Code	X

Cross-Reference Index

Part Number	Manufacturer
ST7M397-1	The Boeing Company Div Defense (USA)

Reference documents

Reference	Meaning
2S2590	3/2 Design control — primary reference U.S. Government activity

No interchangeability data on file.

Other items in FSC 4820 — Valves, Nonpowered

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

4820-00-000-0097

4820-00-000-0097 · Item name not on file

4820-00-001-0010

VALVE,ROTARY,SELECTOR

4820-00-001-0020

4820-00-001-0020 · Item name not on file

4820-00-001-0021

4820-00-001-0021 · Item name not on file

4820-00-001-0032

4820-00-001-0032 · Item name not on file

4820-00-001-0037

VALVE,SAFETY RELIEF

4820-00-001-0042

4820-00-001-0042 · Item name not on file

4820-00-001-1230

4820-00-001-1230 · Item name not on file

Frequently Asked Questions

What is NSN 4820-01-073-0054?

NSN 4820-01-073-0054 is a Valve,check, manufactured by The Boeing Company Div Defense, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-073-0054?

NSN 4820-01-073-0054 has 1 manufacturer part number on file: ST7M397-1 (The Boeing Company Div Defense).

What are the specifications of ST7M397-1?

Key specifications for ST7M397-1: Face to Face Distance: 2.143 INCHES IN. 1 specification is documented in the U.S. Government catalog.

Is NSN 4820-01-073-0054 hazardous material?

No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.

What is the DEMIL code for NSN 4820-01-073-0054?

NSN 4820-01-073-0054 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.

Sources

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.

✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.

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